Improved window blind and curtain fixture



PATENT OFFICE.

JOHN H. KINSMAN'OF UNITED STATES ARMY, AT PRESENT AT DAVIDS ISLAND, NEW YORK. y

IMPROVED WINDOW BLIND AND CURTAIN FIXTURE.

Specification formingpaltv of Letters Patent No. 42,198, dated April 5, 1864.

To all whom it may concern:

Be it known that I, JOHN H.KINsnAN, acting assistant surgeon U. S. Army, at present stationed nt Davids Island, in the county of Westchester and State of New York, have invented a -nen7 and usefulv article for main# tai nin g' at any desired hei ghtcurtains,win dows, Venetian blinds, &c. 5 and, I do hereby declare that the following is a full, clear, and exact description of the construction and Operation ot' the same, reference beinghad to the annexed drawing,1naking a part of this specitication.

The nature ot my invention consists in arranging a cam or eccentric in such a man' ner that when moved in the proper direction by the cord or cords which sustain curtains,

windows, Venetian blinds, 85e., they are firmly retained at any desired height by the pressur'e Ot the eccentric or cam upon the cord or cords.

In the annexed drawings, C represents the cam or eccentric turning upon the pivot H, and retaining by pressure between itself and the Oppssing Surface B the cord A which snstains the curtain, Wihdow, Or Venetian blind.

` This cani or eccentric is held in position by the spring` E, and is made to retain or release the cord or cords A O when acted upon by it or them through the medium ofthe lever D. v'lhe portion Bis formed of rubber orsome otherelastic material, to allow the cord A O to be more firmly grasped between it and the eccentric C.

The operation of this' article is as follows:

To release the cord'A O, draw it downward and at the same time toward K. The curtain, blind, 85e., may then be freely lowered or raised. To retain it lat any height, draw the cord in the direction of L and then release it. lclaixn as my invention- The combination of the eccentric C, acted upon by the cord A O through the medium of the lever D, or its equivalent, the elastic Opp'Osing-snrtace l, the spring;r E, for the purpose of retaining in position` the cam C ei'ther when the said cam is retaining the oord in place or allowing it to pass, as and for the purpose specified.

JOHN H. KINSMAN.

A'Vitnesscs:

A. H. R. KERTLAND, THEO. F. HAR'WOOD. 

